Front Engineering Co. Ltd.

Calculating rank

USPTO Granted Patents = 2

Forward Citations = 9

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7 inventors (with patents filed for the assignee):

Shin Suzuki (2 out of 13 patents)

Masami Yoda (2 out of 6 patents)

Toshikuni Hashimoto (2 out of 2 patents)

4. Isao Yamaki (2 out of 2 patents)

5. Sotoo Kubo (2 out of 3 patents)

6. Kaoru Ishizuka (2 out of 2 patents)

7. Masahiro Iji (2 out of 2 patents)

2 patents: Sort by Forward Citations

1. 5624550 - Process for treating sludge and system for the same (1997-04-29),

2. 5462672 - Process for treating sludge and system for the same (1995-10-31),

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USPTO Data Jan 1 1976 - Oct 20 2026

2 Patents

#4,372 in Tokyo

#11,139 in Japan

Tokyo, Japan

Front Engineering Co. Ltd.

Forward Citations = 9

7 inventors:

Shin Suzuki (2 out of 13 patents)

Masami Yoda (2 out of 6 patents)

Toshikuni Hashimoto (2 out of 2 patents)

4. Isao Yamaki (2 out of 2 patents)

5. Sotoo Kubo (2 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Front Engineering Co. Ltd.. Retrieved from https://idiyas.com/company/front-engineering-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]